CN213950710U - Disinfection system of water tank - Google Patents

Disinfection system of water tank Download PDF

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Publication number
CN213950710U
CN213950710U CN202021706146.5U CN202021706146U CN213950710U CN 213950710 U CN213950710 U CN 213950710U CN 202021706146 U CN202021706146 U CN 202021706146U CN 213950710 U CN213950710 U CN 213950710U
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China
Prior art keywords
water
tank body
residual chlorine
water tank
ozone
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Expired - Fee Related
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CN202021706146.5U
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Chinese (zh)
Inventor
徐巧
周正协
何建荣
刘志刚
虞静静
韦学玉
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Ningbo Water Supply Ltd
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Ningbo Water Supply Ltd
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Abstract

The utility model discloses a disinfection system of water tank, include: the water tank body is used for containing drinking water; the residual chlorine meter is arranged on the water tank body and used for detecting the residual chlorine state of the drinking water body in the water tank body; the outlet of the ozone generator is communicated with the inner space of the water tank body, so that the generated ozone can be introduced into the water tank body; the controller, the controller with chlorine residue appearance and ozone generator are signal connection, ozone generator can be in the on-state and off-state by the controller control, works as the chlorine residue appearance detects under the state that chlorine residue is less than the setting value in the drinking water body in the water tank body, the controller control ozone generator is in the on-state, works as the chlorine residue appearance detects under the state that chlorine residue is higher than the setting value in the drinking water body in the water tank body, the controller control ozone generator is in the off-state. The utility model discloses it is energy-concerving and environment-protective more.

Description

Disinfection system of water tank
Technical Field
The utility model relates to a drinking water disinfection technical field especially relates to a disinfection system of water tank.
Background
Along with the development of social economy and the improvement of the living standard of people, the demand of people on water consumption is continuously increased, and the requirements on water quality and water supply reliability are higher and higher. In recent years, as the number of high-rise residences in cities is increasing, more and more secondary water supply systems are applied to the urban water supply system. The popularization of the secondary water supply system ensures the water pressure requirement of the water consumption of residents on one hand, and increases the risk of water pollution on the other hand.
The water tank is an important component of a secondary water supply system and is also one of parts frequently polluted. The drinking water has a certain retention time in the water tank, so that good conditions are provided for the growth and propagation of microorganisms, and the mass propagation of bacteria and algae microorganisms in the water body is caused, so that the water quality pollution is caused; on the other hand, polluted water caused by factors such as sudden change of hydraulic conditions and the like in the operation process of the external pipe network also enters the water tank through the pipe network, so that secondary pollution of the water in the water tank is caused.
After drinking water is treated by a water plant, the concentration of residual chlorine in the water at the tail end of a pipe network is usually controlled to be not less than 0.05mg/L, and the propagation of microorganisms in the water distribution pipe network is inhibited. In the actual operation process, due to secondary pollution of water caused by various reasons, when drinking water reaches a user end, sufficient residual chlorine guarantee is not provided, so that the additional disinfection link in a secondary water supply system is an important means for guaranteeing the water safety of residents. Ozone is a high-efficiency broad-spectrum disinfectant, has the advantages of quick sterilization, no residue and the like, and is suitable for the disinfection of a secondary water supply system. The invention designs the ozone disinfection system for the water tank of the secondary water supply system, can automatically adjust according to the water quality conditions of inlet and outlet water of the water tank in the actual operation process, can fully utilize the function of the original disinfectant in the water body and does not change the water quality of the water body, thereby reducing the operation energy consumption.
At present, the secondary water supply tank is generally disinfected by adopting ozone or ultraviolet, and the disinfection equipment needs to be opened all the year round by the conventional disinfection mode, so that the ageing of the equipment is accelerated; meanwhile, the original disinfection effect of residual chlorine in water cannot be effectively utilized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a disinfection system of water tank, it is energy-concerving and environment-protective more.
In order to solve the technical problem, the utility model relates to a disinfection system of water tank, include:
the water tank body is used for containing drinking water;
the residual chlorine meter is arranged on the water tank body and used for detecting the residual chlorine state of the drinking water body in the water tank body;
the outlet of the ozone generator is communicated with the inner space of the water tank body, so that the generated ozone can be introduced into the water tank body;
the controller, the controller with chlorine residue appearance and ozone generator are signal connection, ozone generator can be in the on-state and off-state by the controller control, works as the chlorine residue appearance detects under the state that chlorine residue is less than the setting value in the drinking water body in the water tank body, the controller control ozone generator is in the on-state, works as the chlorine residue appearance detects under the state that chlorine residue is higher than the setting value in the drinking water body in the water tank body, the controller control ozone generator is in the off-state.
Preferably as above-mentioned technical scheme, the chlorine residual instrument includes first chlorine residual instrument and second chlorine residual instrument, be provided with drinking water body entry and drinking water body export on the water tank body, first chlorine residual instrument set up in drinking water body entry is used for detecting the entering the chlorine residual state of the drinking water body of water tank body, second chlorine residual instrument set up in drinking water body exit is used for detecting the discharge the chlorine residual state of the drinking water body of water tank body.
Preferably, the first residual chlorine meter and the second residual chlorine meter are connected to the controller, and the controller is capable of controlling the ozone generator to be in an on state when the first residual chlorine meter detects that residual chlorine in the drinking water entering the water tank body is lower than a first set value or/and when the second residual chlorine meter detects that residual chlorine in the drinking water discharged from the water tank body is lower than a second set value.
Preferably, the disinfection system further comprises a liquid level meter, the liquid level meter is arranged on the water tank body and used for measuring the water level state of the drinking water in the water tank body, and the liquid level meter is connected with the controller.
Preferably, the sterilization system further includes a water pump, a bypass pipe, a return pipe, and an ozone pipe, wherein a first end of the bypass pipe is communicated with the tank body, a second end of the bypass pipe is communicated with an inlet of the water pump, a first end of the return pipe is connected to an outlet of the water pump, a second end of the return pipe is communicated with the tank body, a first end of the ozone pipe is connected to an outlet of the ozone generator, and a second end of the ozone pipe is connected to the return pipe so that ozone generated by the ozone generator can enter the return pipe.
Preferably, the second end of the ozone pipe is connected to the water return pipe through a water ejector.
Preferably, in the above-described aspect, a filter is provided in the bypass pipe.
Preferably, in the above-described aspect, the bypass pipe is provided with an electromagnetic valve.
Preferably, in the above technical solution, the controller is a PLC controller.
Preferably, the residual chlorine meter is an online residual chlorine detector, and the online residual chlorine detector is in wireless signal connection with the controller.
The utility model provides a disinfection system of water tank, it can detect the chlorine residue state in the water tank body through chlorine residue appearance, only just can open ozone generator and produce ozone when the chlorine residue of the drinking water in the water tank body is less than the minimum, and let in the water tank body with ozone and disinfect to drinking the water, the disinfection system of this water tank need not be in the state of opening with ozone generator for a long time, only can open ozone generator when the chlorine residue of the drinking water in the water tank body crosses low the time, can the disinfection be realized to the chlorine residue in the drinking water in the make full use of water tank body, it is more energy-conserving and environmental protection.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic structural view of a disinfection system of a water tank according to an embodiment of the present invention;
description of reference numerals: 1. a water tank body; 2. a water return pipe; 3. a water ejector; 4. an ozone tube; 5. an ozone generator; 6. a controller; 7. an electromagnetic valve; 8. a bypass pipe; 9. a water pump; 10. a filter; 11. an online flow meter; 12. a second residual chlorine meter; 13. an online flow meter; 14. a liquid level meter; 15. a water inlet pipe; 16. a first chlorine residual instrument.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a disinfection system for a water tank, including:
the water tank body 1 is used for containing drinking water;
the residual chlorine meter is arranged on the water tank body 1 and used for detecting the residual chlorine state of the drinking water body in the water tank body 1;
the outlet of the ozone generator 5 is communicated with the inner space of the water tank body 1, so that the generated ozone can be introduced into the water tank body 1;
the controller 6 is in electric signal connection with the residual chlorine instrument and the ozone generator 5, the ozone generator 5 can be controlled to be in an opening state and a closing state by the controller 6, when the residual chlorine instrument detects that residual chlorine in the drinking water body in the water tank body 1 is lower than a set value, the controller 6 controls the ozone generator 5 to be in the opening state, and when the residual chlorine instrument detects that residual chlorine in the drinking water body in the water tank body 1 is higher than the set value, the controller 6 controls the ozone generator 5 to be in the closing state.
The embodiment provides a disinfection system of water tank, it can detect the chlorine residue state in the water tank body 1 through the chlorine residue appearance, only can open ozone generator 5 and produce ozone when the chlorine residue of the drinking water in the water tank body 1 is less than the minimum, and let in water tank body 1 with ozone and disinfect the drinking water, the disinfection system of this water tank need not be in the on-state with ozone generator for a long time, only can open ozone generator 5 when the chlorine residue of the drinking water in the water tank body 1 crosses lowly, can make full use of the chlorine residue in the drinking water in the water tank body 1 realize the disinfection, and is more energy-conserving and environmental protection.
In the further practical implementation of this embodiment, the chlorine residual instrument includes first chlorine residual instrument 16 and second chlorine residual instrument 12, is provided with drinking water body entry and drinking water body export on the water tank body 1, and first chlorine residual instrument 16 sets up the residual chlorine state that is used for detecting the drinking water body that gets into the water tank body in drinking water body entry, and second chlorine residual instrument 12 sets up the residual chlorine state that is used for detecting the drinking water body of outlet water tank body 1 in drinking water body export.
In this embodiment, the water inlet and the drinking water outlet are respectively provided with the first residual chlorine meter 16 and the second residual chlorine meter 12, which can be used for detecting the residual chlorine states of the drinking water entering the water tank body 1 and the drinking water discharging the water tank body 1, so that the states of the residual chlorine in the drinking water of the water tank body 1 detected by the residual chlorine meter are more accurate, and the residual chlorine is prevented from being detected to cause larger errors.
Specifically, the inlet of the drinking water body in this embodiment is connected with a water inlet pipe 15, the outlet of the drinking water body is provided with a water outlet pipe 11, a first residual chlorine meter 16 is installed on the water inlet pipe 15, a second residual chlorine meter 12 is installed on the water outlet pipe 11, and in this embodiment, the water pipe 11 is further provided with an online flow meter 13.
In a further embodiment of the present embodiment, the first residual chlorine meter 16 and the second residual chlorine meter 12 are connected to the controller 6, and the controller 6 can control the ozone generator 5 to be in the on state when the first residual chlorine meter 16 detects that the residual chlorine in the drinking water body entering the water tank body 1 is lower than the first set value or/and when the second residual chlorine meter 12 detects that the residual chlorine in the drinking water body discharged out of the water tank body 1 is lower than the second set value.
In the embodiment, the residual chlorine states of the drinking water body entering the water tank body 1 and the drinking water body discharging the water tank body 1 are respectively detected by the first residual chlorine meter 16 and the second residual chlorine meter 12, and the ozone generator 5 can be started to generate ozone disinfection as long as any residual chlorine value does not reach the standard, so that the ozone generator 5 can be prevented from being incapable of being started due to inaccurate residual chlorine detection, and the ozone generator 5 can work more stably and accurately.
In a further implementation manner of the present embodiment, the disinfection system further includes a liquid level meter 14, the liquid level meter 14 is disposed on the tank body 1 for measuring the water level state of the drinking water in the tank body 1, and the liquid level meter 14 is connected to the controller 6.
The volume of drinking the water that holds in this embodiment level gauge 14 can detect the water tank body 1 to can give controller 6 with data transmission, can make things convenient for data acquisition, further can improve the stability of system work.
In a further possible implementation manner of this embodiment, the sterilization system further includes a water pump 9, a bypass pipe 8, a water return pipe 2, and an ozone pipe 4, a first end of the bypass pipe 8 is communicated with the water tank body 1, a second end of the bypass pipe 8 is communicated with an inlet of the water pump 9, a first end of the water return pipe 2 is connected with an outlet of the water pump 9, a second end of the water return pipe 2 is communicated with the water tank body 1, a first end of the ozone pipe 4 is connected with an outlet of the ozone generator 5, and a second end of the ozone pipe 4 is connected with the water return pipe 2 so that ozone generated by the ozone generator 5 can enter the water return pipe 2.
Be provided with the circulating line in this embodiment, be about to drink the water and take out through water pump 9 and leave, discharge from bypass pipe 8, get back to water tank body 1 from wet return 2 again, with this completion circulation, connect wet return 2 with ozone pipe 4 in this embodiment, make ozone get into wet return 2 and then reentrant water tank body 1, it can make all drinking the water in water tank body 1 all participate in hydrologic cycle, can make ozone and the misce bene of drinking the water, prevent that local ozone content is low excessively in the water tank body.
In a further possible embodiment of this embodiment, the second end of the ozone pipe 4 is connected to the return pipe 2 via a water ejector 3.
The water ejector 3 in this embodiment can make the ozone and the drinking water body fully mixed and uniformly enter the water tank body 1.
In a further embodiment of the present embodiment, a filter 10 is provided on the bypass pipe 8.
The filter filters out large particulate matters possibly existing in the drinking water body, and prevents the influence on the subsequent water pump 9 and the water ejector 3
In a further embodiment of the present embodiment, a solenoid valve 7 is provided on the bypass pipe 8.
The solenoid valve 7 is used to control the opening and closing of the bypass line 8.
In a further possible implementation of this embodiment, the controller 6 is a PLC controller.
The PLC controller can facilitate the disinfection system to realize automatic control.
In a further embodiment of this embodiment, the residual chlorine meter is an online residual chlorine detector, and the online residual chlorine detector is connected to the controller 6 by wireless signals.
In the embodiment, the online residual chlorine detector is adopted, so that the residual chlorine detector is not connected with the controller 6 through a lead, and the residual chlorine detector is convenient to install and arrange.
The working process of the disinfection system of the water tank of the embodiment is as follows:
measuring the residual chlorine value C1 of the water body of the water inlet tank by using an online residual chlorine detector;
measuring the residual chlorine value C2 of the water body of the water tank by using an online residual chlorine detector;
measuring water quantity A of water outlet tank by using online flowmeter
The drinking water body gets into the water tank body from the oral siphon, through online chlorine residue detector survey water inlet chlorine residue C1, the drinking water body flows out from the outlet pipe, surveys discharge A and play water chlorine residue respectively through online flowmeter and online chlorine residue detector, thereby obtains this internal drinking water body height of water tank and drinks the actual water volume V of water tank through the liquid level appearance survey water tank, obtains the dwell time t of water in the water tank according to (dwell time t ═ water volume V/flow A) formula. Sending the values of C1, C2 and t to a PLC control system, wherein the PLC control system attenuates a primary dynamics model C according to the residual chlorine in the water body2=C1e-ktThe decay coefficient k of the residual chlorine is obtained by a formula.
Starting conditions of an ozone disinfection system are as follows: (1) c2 is less than or equal to 0.05; (2)
Figure BDA0002632830440000081
when ozone disinfection starts, water pump and solenoid valve start, take out the water through the bypass pipe from the water tank body, filter the large granule material that probably exists in with the water with the filter, prevent the influence to water pump and water dart. The ozone generator is started simultaneously, the generated ozone is introduced into the water ejector through the ozone pipe, the ozone water mixed with the water body is pumped into the water tank through the water ejector, and the water body and the ozone are fully mixed and then uniformly enter the water tank under the action of the water ejector, so that the aim of disinfection is fulfilled.
The beneficial effect of this embodiment lies in:
(1) the whole ozone disinfection system is controlled by a PLC control system, so that the normal and stable operation of the whole system is ensured, the ozone disinfection is automatically controlled according to the concentration of residual chlorine in inlet and outlet water, the disinfection effect of the original residual chlorine in the water is effectively utilized, and the energy consumption of the conventional mode operation is reduced;
(2) the ozone disinfection water with disinfection effect is obtained through the mode of mixing the water body in the water tank body and the ozone, the in-situ water body in the water tank body is fully utilized for disinfection, meanwhile, the water body in the water tank flows circularly, and the water body disinfection effect is further improved.
(3) The integrated ozone disinfection system can effectively remove microorganisms bred in the water tank and continuously keep the interior of the water tank clean;
(4) the invention has small occupied area and is suitable for the disinfection of the water tank of a newly built pump room and the reconstruction of the water tank of an old pump room;
(5) the invention adopts a PLC automatic control system and can automatically run.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A sterilization system for a water tank, comprising:
the water tank body is used for containing drinking water;
the residual chlorine meter is arranged on the water tank body and used for detecting the residual chlorine state of the drinking water body in the water tank body;
the outlet of the ozone generator is communicated with the inner space of the water tank body, so that the generated ozone can be introduced into the water tank body;
and the controller is in electric signal connection with the residual chlorine meter and the ozone generator, and the ozone generator can be controlled by the controller to be in an opening state and a closing state.
2. The disinfection system of claim 1, wherein the residual chlorine meter comprises a first residual chlorine meter and a second residual chlorine meter, the water tank body is provided with a drinking water inlet and a drinking water outlet, the first residual chlorine meter is arranged at the drinking water inlet and used for detecting the residual chlorine state of the drinking water entering the water tank body, and the second residual chlorine meter is arranged at the drinking water outlet and used for detecting the residual chlorine state of the drinking water discharged from the water tank body.
3. The disinfection system of claim 2, wherein the first and second residual chlorine meters are connected to the controller, and the controller is capable of controlling the ozone generator to be in an on state in a state where the first residual chlorine meter detects that residual chlorine of the drinking water body entering the tank body is below a first set value or/and in a state where the second residual chlorine meter detects that residual chlorine of the drinking water body exiting the tank body is below a second set value.
4. The disinfecting system of claim 1, further comprising a level gauge disposed on the tank body for measuring a water level condition of a body of drinking water in the tank body, the level gauge being connected to the controller.
5. The sterilization system according to claim 1, further comprising a water pump, a bypass pipe, a return pipe, and an ozone pipe, wherein a first end of the bypass pipe is communicated with the tank body, a second end of the bypass pipe is communicated with an inlet of the water pump, a first end of the return pipe is connected with an outlet of the water pump, a second end of the return pipe is communicated with the tank body, a first end of the ozone pipe is connected with an outlet of the ozone generator, and a second end of the ozone pipe is connected with the return pipe so that ozone generated by the ozone generator can enter the return pipe.
6. The sterilizing system of claim 5 wherein the second end of the ozone tube is connected to the return tube by a water ejector.
7. A disinfecting system as recited in claim 5, characterized in that a filter is disposed on the bypass tube.
8. A disinfecting system as recited in claim 5, characterized in that a solenoid valve is provided on the bypass tube.
9. The sterilizing system of claim 1 wherein the controller is a PLC controller.
10. The sterilization system according to any one of claims 1 to 9, wherein the residual chlorine meter is an on-line residual chlorine detector, and the on-line residual chlorine detector is in wireless signal connection with the controller.
CN202021706146.5U 2020-08-14 2020-08-14 Disinfection system of water tank Expired - Fee Related CN213950710U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113955843A (en) * 2021-10-27 2022-01-21 天津市华澄供水工程技术有限公司 Secondary water supply ozone disinfection tail gas recycling and elimination control method
CN114113521A (en) * 2021-11-22 2022-03-01 重庆昕晟环保科技有限公司 Telescopic multi-point residual chlorine concentration detection device
CN114477419A (en) * 2022-02-17 2022-05-13 河南省奥瑞环保科技股份有限公司 Circulating ozone comprehensive utilization control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113955843A (en) * 2021-10-27 2022-01-21 天津市华澄供水工程技术有限公司 Secondary water supply ozone disinfection tail gas recycling and elimination control method
CN113955843B (en) * 2021-10-27 2023-10-27 天津市华澄供水工程技术有限公司 Control method for recycling and eliminating secondary water supply ozone disinfection tail gas
CN114113521A (en) * 2021-11-22 2022-03-01 重庆昕晟环保科技有限公司 Telescopic multi-point residual chlorine concentration detection device
CN114477419A (en) * 2022-02-17 2022-05-13 河南省奥瑞环保科技股份有限公司 Circulating ozone comprehensive utilization control system

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